Buckle



FIG. 1 is a perspective view of a buckle of the claimed design.

FIG. 2 is a front elevational view of the buckle of FIG. 1.

FIG. 3 is a rear elevational view of the buckle of FIG. 1.

FIG. 4 is a top plan view of the buckle of FIG. 1.

FIG. 5 is a bottom plan view of the buckle of FIG. 1.

FIG. 6 is a right side view of the buckle of FIG. 1, and the left side view is a mirror image of the right side view; and,

FIG. 7 is a perspective view of the buckle of FIG. 1 shown in an unbuckled position. 

The ornamental design for a buckle, as shown and described. 